5561539671 has 8 divisors (see below), whose sum is σ = 7615802224. Its totient is φ = 3607485120.

The previous prime is 5561539663. The next prime is 5561539673. The reversal of 5561539671 is 1769351655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5561539671 - 2³ = 5561539663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5561539671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561539673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25051870 + ... + 25052091.

It is an arithmetic number, because the mean of its divisors is an integer number (951975278).

Almost surely, 2^5561539671 is an apocalyptic number.

5561539671 is a deficient number, since it is larger than the sum of its proper divisors (2054262553).

5561539671 is a wasteful number, since it uses less digits than its factorization.

5561539671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50104001.

The product of its digits is 850500, while the sum is 48.

The square root of 5561539671 is about 74575.7311127420. The cubic root of 5561539671 is about 1771.7332942760.

The spelling of 5561539671 in words is "five billion, five hundred sixty-one million, five hundred thirty-nine thousand, six hundred seventy-one".